There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
How to fix a sagging garage door chain.
This opening system is one of the most popular options but it can manifest a problem.
You may find that a loose garage door opener chain has less power to open and close your garage door or you may find that it is just hitting the door as it moves it and creating an annoying sound.
Over time the drive chain can loosen and create slack.
There are only a few ways that the chain can be tightened.
If your garage door opener uses a chain drive then it is probably like a lot of other garage doors.
Documenting how i repaired the garage door.
I am not a professional.
The chain on my garage door opener seems to be sagging and rubbing on the track.
A sagging chain is a result of normal usage of the garage door opener.
How do i adjust it.